:root{--blue:#0b4ea2;--green:#168a55;--purple:#6d3fd1;--yellow:#f6c343;--red:#c9352b;--bg:#f3f7fb;--text:#172033;--muted:#607089;--line:#d9e3ef;--card:#fff;--shadow:0 18px 45px rgba(15,35,70,.12);--radius:8px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Segoe UI,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.58}a{color:inherit}.layout{display:grid;grid-template-columns:292px 1fr;min-height:100vh}.sidebar{position:sticky;top:0;height:100vh;background:#082b58;color:white;padding:22px 18px;overflow:auto}.brand{display:flex;gap:12px;align-items:center;margin-bottom:20px}.mark{width:42px;height:42px;border-radius:8px;background:linear-gradient(135deg,var(--green),var(--blue));display:grid;place-items:center;font-weight:900}.brand h1{font-size:1rem;margin:0}.brand p{font-size:.78rem;margin:2px 0 0;color:#cfe1f8}.nav{display:grid;gap:6px}.nav a{padding:10px 12px;border-radius:8px;text-decoration:none;color:#d9e8fb;font-size:.9rem}.nav 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